Nghiên cứu xây dựng mô hình xử lý chất hữu cơ trong nước thải dệt nhuộm bằng phương pháp hấp phụ

TRtTOWG BAI HOC AN GIANG KHOA KY THU^T - CONG NGHE - MOI TRlTONG HUYNH VAN BINH NGHIEN CtTU XAY DlTNG MO HINH Xlf LY CHAT HtTU CO TRONG NlTOC THAI DET NHUOM BANG PHlTONG PHAP HAP PHU TR^CiNG DAI HQC AN GIANG THUVIEN KHOA LUAN TOT NGHIEP GVHD: TS NGUYEN TRUNG THANH An Giang, 05/2013 LOT CAM ON Qua bon nam hoc a giang ducrng Trucmg Dai hoc An Giang va khoang thcri ngin thuc tap cuoi khoa, lam khoa luan tot nghiep em da tich luy cho minh nhung kien thilc b6 ich, kinh nghiem va nhung bai hoc ve dao due quy bao Tat ca la nho quy thdy, co giang day tan tinh DS dap lai tim chan tinh nong hau ay, em xin gui lai cam an chan tinh va sau sac nhat den : Ban Giam hieu Truang Dai hoc An Giang da tao dieu kien tot cho em hoc tap tai truang Cac thfiy co Truang Dai hoc An Giang, dac biet la thdy co khoa Ky thuat Cong nghe - Moi truang da trang \/\ cho em nhung nen tan kien thiic vung chac, kiSn thiic chuyen nganh b6 ich va nhung bai hoc dao dtic sau sic TS Nguyln Trung Thanh va cac thiy co, anh chi Ban quan ly khu Thi nghiem Thuc hanh da tan tinh hudng dan va giup dd em hoan khoa luan tot nghi^p Em xin gui den Ban Giam Hieu trudng, quy thay co ldi chiic sue khoe va ldi cam an chan nhat! An Giang, 17 thang nam '2013 Sinh vien thuc hien Huynh Van Binh NIL^JM XET CUA GIANG VIEN HlTONG DAN An Giang, 17 thang 05 nam 2013 Giang vien hu^ng din TS Nguyen Trung Thanh NHAN XET CUA GIANG VIEN PHAN BIEN An Giang, 17 thang 05 nam 2013 Giang vien phan bien Ths Le Thi Cim Chi NHAN XET CUA GIANG VIEN PHAN BI^N An Giang, 17 thang 05 nam 2013 Giang vien phan bien Ths Truong Khanh Nhat Thao TOM TAT Trong nghiSn curu chung toi thuc hien cac cong viSc sau: -Chung toi che tao vat lieu hap phu nhu nghiSn cilu trudc day (Le Ngpc Hang, 2009) -Thiet ke mo hinh hap phu dong lien tiic gom: be chua nude thai, luu lugng ki, bl loc, bi tiip nhan -Tiin hanh hip phu metyl da cam cua tro triu ho^t hoa (chua nen vien) theo so d6 hip phu t6i uu (Le Ngoc Hang, 2009) Kha nang hip phu metyl da cam cua tro trau hoat hoa la tuong doi cao Dung lugng hap phu dat 8,671 mg/g, hieu suit hip php la 86,71 % -Nen vien tro trau co d = 15 mm, h = mm -Chay mo hinh hap phu dong len tuc voi vat lieu hip phu Ian luge la tro trau hoat hoa va than hoat tinh (d dang vien) Kit qua cho thiy kha nang hip phu COD va mau cua tro trau hoat hoa la kha cao Xet cung cac dieu kien khao sat thi kha nang hap phu cua tro trau hoat hoa la hon han than hoat tinh Khi toe dong tang len thi kha nang hap phii ca hai loai vat lieu hap phu deu giam Qua ket qua nghien cuu cua di tai cho thiy tro triu hoat hoa cd kha nang hap phu cao la vat lieu hap phu cd tiem nang rat ldn tuong lai viec ung dung vao xil ly moi trudng ABSTRACT In this study, we performed the following tasks: -We fabricate adsorbent as in previous studies (Le Ngoc Hang, 2009) -Design model adsorption constant stream including water tanks, flow meter, filter, receiver tank -.Conduct methyl orange adsorption of activated rice husk ash (not compressed tablets) under optimum adsorption diagram (Le Ngoc Hang, 2009) Adsorption capacity of methyl orange husk ash is relatively high activation Adsorption capacity was 8.671 mg / g, adsorption efficiency was 86.71% -Compression members husk ash with d = 15 mm, h = mm -Run the adsorption model to line up with the adsorbent is strategic times husk ash and activated charcoal (in tablets) Results showed that the absorption capacity of COD and color of rice husk ash is quite high activation At the same survey conditions, the adsorption capacity of the activated rice husk ash than charcoal As the flow rate increases, the absorption capacity of both the adsorbent decreased The result of the study subjects showed activation of rice husk ash have high adsorption capacity of the adsorbent has great potential for future applications in enviromnental remediation Khoa luan T6t nghiep'SVTH: Huynh Van Binh - DH10MT MUC LUC Lai cam an Nhan xet cua giang vien htrong din Nhan xet cua giang vien phan bien Tomtit Muc luci Danh sach bam.iv Danh sachhinhv Danh sach tit viit tatvi Chuomg 1: GIOT THIEU,1 Chuoug 2: LtTQC KHAO TAI LIEU2 2.1.T6ng quan vg hip phu2 2.1.1.Cdc khdiniim2 2.1.2.Phdn logihdpphu3 2.1.3.Cdu trucxop cua chat hap phu4 2.1.4.Cdc mohlnh dang nhiet hap phu5 2.2.T6ng quan tai lieu vb tro triu•7 2.2.1.Thdnhphdn hoahoc cua trduvd tro trau7 2.2.2.Nhitng itng dung cua tro trdutren the gidi9 2.2.3.Nhicng ling dung cua tro trau tai Viet Nam10 2.3.Tong quan ve nganh det nhuom10 2.3.1.Cdc quy trinh ca ban cong nghe det nhuom10 2.3.2.Cdc ioai thuoc nhuom thuang dung cong nghe det 13 2.3.3.Thdnhphdn vd dac tinh cua nuac thai det nhuom15 2.3.4.Tdc dpng nhiem moi truang18 2.3.5.Cdc phuangphdp xu ly nuac thai det nhuom18 2.4.He tac nhan Fenton23 2.4.1 Qua trinh Fenton23 GVHD.TS Nguyen Trung ThanhTrangi Khoa luan T6t nghiepSVTH: Huynh VanBinh-DHlOMT Chuomg 3: PHtTONG TIEN VA PHUONG PHAP NGHIEN CUU25 3.1.Boi tuong nghien cum25 3.2.Thai gian nghien aim25 3.3.Muc tieu nghien cum25 3.4.Npi dung nghien cum 25 3.5.Phuong tien va vat lieu nghien cum25 3.5.1 Phuong tien nghien cuu25 3.5.2 Vat lieu nghien cuu27 3.6.Phuang phap nghien cuu27 3.6.1.Phuangphdp tham khdo, tonghqp tailieu27 3.6.2.Bo tri thi nghiem27 3.6.3.Phuang phdp phan tich mdu trongphdng thi nghiem28 3.6.4.Phuang phdp xu ly so lieu29 Chuomg 4: KET QUA THAO LUAN30 4.1.Cak tao VLHP (vat lieu hip phu) tu nguyen lieu cho triu30 4.1.1 Quy trinh che tao VLHP tit nguyen lieu tro trdu30 4.2.Hap phu Metyl da cam32 4.2.1.Tien hdnh hap phu Metyl da cam32 4.2.2.Lap phuang trinh duang chudn32 4.3.Xay dung mo hinh hap phu co dong lien tuc 34 4.3.1 Thiit kimo hinh34 4.4.Ket qua phan tich maunudc thai34 4.5.Ket qua hap phu dong lien tuc -35 4.5.1.Ket qua hap phu dong lien tuc vdi vat lieu hap phu (VLHP) la tro trdu nen vien35 4.5.2.Kit qua hap phu dong lien tuc vdi VLHP (vat lieu hap phu) Id than hoqt tinh36 4.4.3.So sdnh khd ndng hap phu dong lien tuc giita tro trdu hoqt hda va than hoqt tinh38 GVHD.TS Nguyln Trung Thanh•Trang ii Khoa luan Tot nghiepSVTH: Huynh Van Binh - PHI OMT Chuong 5: MET LUAN VA KIEN NGHI40 5.1 Kit luan 40 5.2.KiSnnghj40 GVHD.TS Nguyln Trung ThanhTrang iii Khoa luan Tot nghiep SVTH: Huynh Van Binh-DHIOMT Hin h 3.5: May pH 3.5.2 Vat lieu nghien cuu -Hoa chat: K2&2O7, H2SO4, FAS, Ag2SO4 -Tro trim dugc hoat hoa va ddng vien -Vat lieu xay dung mo hinh: ong nhua PVC, van, binh nliua, luu lugng ke, ong nhua 3.6 Phuong phap nghien ciin 3.6.1.Phuung phap tham khao, tong hop tai lieu -Tong hop, lua chpn so lieu, tai lieu tu cac sach vd, cac Vien, cac trudng nghien cuu lien quan den tro trau vanuoc thai det nhupm de lam co sd cho nghien cuu va thuc hien de tai 3.6.2.Bo tri thi nghiem Thi nghiem dugc tien hanh vdi he thong tu che nhu Hinh 3.1 + Xay dung mo hinh hap phu de khdo sat hieu qua xu ly COD cua nude thai det nhuqm bang tro trau hoqt hoa GVHD: TS Nguyin Trung Thanh Trang 27 Khoa luan Tdt.nghiep SVTH: Huynh Van Binh - DH10MT (a) (a): Be chiia nude (b): Luulugngke (c): BS loc (d): Be tiep nhan Hinh 3.6: Mo hinh hdpphu chat hwu ca nitac thai det nhuom 3.6.3 Phucng phap phan tich mau phong thi nghiem - Phuangphdp xdc dinh COD Cho vao ong nghiem + 5ml dung dich mau da pha loang 10 Ian (lml mau + 9ml nude cat) + 3mlddK2Cr2O70,lN + 7ml H2SO4 reagent Day nap lac deu dudi voi nude, cho- len gia ong nghiem, dat vao hi say 2h d nhiet 150C Sau thai gian phan ling (2h) lay ong nghiem de ngupi den nhiet dp phong, chuyen toan bp dung dich qua erlen Them 2-3 gipt dung dich feroin den dung dich cd mau xanli lam Tien hanh chuin dp bdng dung dich FAS 0,0IN d&i mau nau do, ghi lai th tich dung dich FAS da dung Lam mau tring vdi 5ml nude cat Ian thay cho mlu va thuc hien cac budc nhu tren GVHD:-TS Nguyen Trung Thanh Trang 28 Khoa luan T6t nghiepSVTH: Huynh Van Binh - DH10MT Cong thuc tinh ndng dp COD COD(mg/l)= [(V0-Vi) * N * 8000 * F]/V Vo: ThS tich dung dich FAS dimg chuin dp mlu tr^ng (ml) Vi: Th tich dung dich FAS dung chuln d6 mlu (ml) N: N6ng dp FAS da dupe kiSm tra F: He s6 pha loang V: ThS tich mau da dupe sir dung -Phuongphap xac dinh mau Sir dung may quan ph6 c^m tay DR2800 dS do mau cua mlu nude thai -Phuong phap xac dinh pH Xac dinh pH bang may pH de ban (model ph31) 3.6.4 Phuo'ng phap xu ly so lieu Xir ly so lieu thu dupe bang phan mem Excel GVHD: TS Nguyen Trung ThanhTrang 29 Khda luan Tot nghiep' SVTH: Huynh Van Binh - DH10MT Chinmg 4: KET QUA THAO LUAN 4.1 Ch tao VLHP (vat lieu hip phu) tir nguyen lieu cho trdu 4.1.1 Quy trinh che tao VLHP tir nguyen lieu tro trau a Hoat hoa tro trau bang axitH2SO4 10% Can 20 g tro triu cho vao ca co chiia 800 ml dung dich H2SO4 cp nong xac dinh (10%) kliuiy thai gian cin thiSt (30 phut) sau lpc, lira sach tro trdu bang nuac cit va dem siy kho (6 nhiet dp 70-80 C) nhu so d6 Hinh 4.1 AxitH2SO4 (V = 800 ml, Tro trau (20 g) Khuay tron (30 phut) Nude cat Lpc, rua Nude thai (denpH = 7) Tro trau (co mau den) s Siy kho • (70-80C, khoang gib) \ Tro trau da hoat hoa Hinh 4.1 Quy trinh hoat hoa tro trau GVHD: TS Nguyen Trung Thanh Trang 30 Khoa luan Tot nghiep SVTH: Huynh Van Binh-DHIOMT Tro trau sau hoat hoa co dang nhu Hinh 4.2 va dugc nen vien (d = 13 ram, h = mm) nhu Hinh 4.3 Hinh 4.2: Tro trau sau hoat hoa Hinh 4.3: Vien tro trau Khoi hrgng tro trau tnrdc hoat hoa la 20 g, sau hoat hoa va tien hanh sdy kho o nhiet 70 - 80C (khoang gid) thi khdi lugng tro triu 3,546 g GVHD: TS Nguyen Trung Thanh Trang31 Khoa luan T6t nghiep SVTH: Huynh Van Binh-DHIOMT 4.2 Hip phu Metyl da cam 4.2.1 Tlin hanh hap phu Metyl da cam Sii dung tro trau hoat hoa chua nen vien de hap phu Metyl da cam nhu so Hinh 4.4 Tro trau da hoat hoa Metyl da cam (V = 50 ml, pH = 5, C = 10 mg/1) (0.05 g) Lac deu Be yen (t = 30 phut) Lpc T Nuac qua lpc MavUV-Vis KSt qua hip phu Hinh 4.4: Quy trinh hap phu metyl da cam cua tro trau hoat hoa 4.2.2 Lap during chuan Metyl da cam Bang 4.1: Do hap thu cua metyl da cam a nong tic 0,05-100 mg/l c 0,05 0,1 0,2 0,5 10 15 20 50 100 0,04 OiO5 0,074 0,093 0,349 0,565 0,975 1,422 3,056 5,856 (mg/1) A GVHD: TS Nguyen Trung Thanh Trang 32 SVTH: Huynh Van Binh - DH1OMT Khoa luan Tot nghiep V=0,0584x +0,0749 R2 = 0,9984 kO< • • - (t 20 40 60 80 100 120 N6ng (mg/1) JTinh 4.5: Dieting chudn metyl da cam *Dung licong hdpphu vd hieu sudt Dung higng hap phu cua tro trau hoat hoa doi vdi Metyl da cam ducrc xac dinh theo bieu thiic: q=(C0-Ccb}.V = (10-l,329).0,05 = m0,05 Trong do: q: dung lugng hap phu can bang (mg/g) V: the tich dung dich chat hap php (1) m: klioi lugng chat hap phu (g) Co: nong dung dich ban d^u (mg/1) Ccb: nong dung dich dat can bang hap phu (mg/1) Hieu suat hap phu: Co the nhan thay hieu xuat xii ly metyl da cam ciia tro trau hoat hoa la rat caolendgn 86,710% GVHD: TS Nguyen Trung Thanh Trang 33 Khda luan Tot nghiep SVTH: Huynh Van Binh - PHI OMT 4.3 Xay dung mo hinh hap phu co dong lien tuc 4.3.1 Thigtke mo hinh Mo hinh bao gdm: bS chua (binh mrdc lpc); luu lucmg ke; be lpc dupe thiet kl co dang hinh hop chu nhat diing (rong x dai x cao: 3,2 x 11 x 20 cm, V = 704 cm3), gdm ngan bang nhau, ngan a gifia dung de chua VLHP Ian hint la tro trau nen vien va than hoat tinh dang vien co cung khoi lugng 12 g, chieu cao lop VLHP la cm; binh ti6p nhan (can nhua) Nguyen ly hoat dong: mau nude thay dugc chiia binh chua (a) sau se chay qua luu lupng ke (b) den be lpc (c) va cuoi cung chay den binh ti^p nhan (d) Hinh 4.6: Mo hinh hap phu dong lien tuc 4.4 Ket qua phan tich mau nude thai Mau nude thai sau lchi phan tich d phong thi nghiem co tinh chat nhu Bdng4.1 GVHD: TS Nguyen Trung Thanh Trang 34 Khoa luan Tot nghiep SVTH: Huynh Van Binh - DH10MT Bang 4.1: Ket qua phan tick man nude thai Thong s6 Mau nu'6'c thai Nude thai det nhupm PH Nhiet (t) Do mau (Pt-Co) COD (mg/I) 7,61 30,90 650 137,60 4.5 Ket qua hap phu dong Ii8n tuc 4.5.1 Ket qua hap phu dong lien tuc voi vat lieu h^p phu (VLHP) la tro trau nen vien Tien hanh hap phu dong lien tuc vdi YLHP la tro trau nen vien vdi lupng trotriula 12 (g) Bang 4.2:Ket qua hap phu dong lien tuc vai VLHP Id tro trau nen vien Luu luoiig pH (sau hap phu) (ml/phut) 0,5 Nhiet (C) Hieu suat Dp mau COD hap phu (Pt-Co) (mg/1) dp mau (%) Hieu su^t hap phu COD (%) 7,0 32,20 310 96 52,38 30,23 10 7,0 31,50 370 96,80 43,08 29,60 15 7,0 31,50 460 96 29,23 30,23 20 7,0 31,60 470 96 27,69 30,23 Qua Bang 4.2 va Hinh 4.6 ta thay, tang toe dp dong thi kha nang xu ly dp mau ciia VLHP giam ro ret va kha nang xii ly COD co thay d6i nhung khong giam Hieu qua xu ly dp mau giam tu 52,38% xudng 27,69% tang t6c dp dong tu ml/phiit len 20 ml/phut Ta co the ly giai dieu nhu sau: ta tang toe dp dong se lam giam thai gian tiep xuc gifta cac phan tix chit nhilm va VLHP lam cho cac phan tu chit nhiim khong co dii thai gian di chui vao lo x6p cua VLHP GVHD: TS Nguyen Trung Thanh Trang 35 SVTH: Huynh Van Binh - DH10MT Khoa luan T6t nghiep 5101520 Toe dong khao sat (ml/phut) Hinh 4.7: Anh huomg cua toe dong den hieu qua xu ly mau va COD cua tro trau hoqt hoa 4.5.2 Kit qua hap phu dong lien tuc vffi VLHP la than hoat tinh Su dung than hoat tinh dang vien de tien hanh hip phu dong lien tuc Khoi luo^g than dung de hap phu la 12 (g) Bang 4.3: Kit qua hap phu dong lien tuc v&i VLHP la than hoat tinh Toe dong pH (sau hip phu) (ml/phut) Hieu suit Hieu suit Nhiet Do mail COD hip phu hip phu (C) (Ptco) (mg/1) mau COD (%) (%) 7,71 28,40 500 104 23,08 24,42 10 8,99 28,60 520 120 20 12,79 15 9,20 27,30 590 123,20 9,23 10,46 20 8,64 28,60 602 129,60 7,38 Tuong tu nhu tro trau hoat hoa, kha nang hap phu ciia than hoat tinh cung bi anh hudng thay doi toe dong Khi tang tic dong thi hieu qua xti ly dp mau va COD cua than hoat tinhgiam manh Hieu qua xu ly dp mau giam tu GVHD: TS Nguyin Trung Thanh Trang 36 Khoa luan T6t nghiep SVTH: Huynh Van Binh - DH10MT 23,08% xu6ng 7,38% vdi t6c dp dong tang tuong ling tu ml/phut len 20 ml/phut Ben canli do, hieu qua xir ly COD ciia than hoat tinh cung giam tu 24,42% xuong 8% Nguyen nhan giam hieu qua xii ly ciia than hoat tinh cung tuong tu nhu nhung nguyen nhan lam giam hieu qua xu ly ciia tro trau hoat hoa Mp phu dohg lien tuc 30 • nflg mau(Pt-Co) D COD (mg/l) ,—, 25 • ^5> 20 - •a 'g 15 44 t, & s ^- TtTJ- to • X •tTtT LLU^J, • IL, t¥- 10 15 don; >at(n Toe 36 ^khao il/phu1 20 Hinh 4.8: Anh hicang toe dong den hieu qua xi't ly mdu va COD cua than hoat tinh GVHD: TS Nguyen Trung Thanh Trang 37 SVTH: Huynh Van Binh - DH10MT Khoa luan T6t nghiep 4.5.3 So sanh kha nang hap phu dong lien tuc gina tro trau hoat ho a va than hoat tinh Htro trau hoat hoa 60 -, Ethan hoattinh w 50 E 40 'S ? 30 X >g 20 n 5101520 T6c dong khao sat (ml/phut) Hinh 4.9: Bieu the Men sw khdc Met ve hieu qua xu ly mdu giita tro trau hoat hoa va than hoat tinh hap phu dong lien tuc Htro trau hoat hoa a than hoattinh 30 Q O 25 u 20 15 3" 10 0> 5101520 Toe dong khao sat (ml/phut) Hinh 4.10: Bieu the Men su khdc Met ve hieu qua xu ly COD giica tro trau hoat hoa vd than hoat tinh hap phu dong lien tuc GVHD: TS Nguyen Trung Thanh Trang 38 KhdaluanTdtnghiep SVTH: Huynh Van Binh - DH1OMT Nhgn xet: Qua Hinh 4.8 va BQnh 4.9 ta dl dang nhan thiy hieu qua xii ly dp mau vaCOD cua tro trau hoat hoa ludn cao hon than hoat tinh d nhung toe dp dong tuoiig ling Diiu chiing to kha nang hip phu ciia tro trau hoat hoa la vupt trpi so vdi than hoat tinh tien hanh hip phu dong lien tuc Trong pham vi toe dp dong khao sat, hieu qua xti ly COD ddi vdi tro trau hoat hoa la khong giam, doi vdi than hoat tinh thi giam lien tuc Day la co sd quan trpng cho viec lira chpn vat lieu hap phu vita dat hieu qua xii ly cao vira mang y nghia ve mat kinh Kha nang hap phu ciia tro trau hoat hoa cao hon than hoat tinh la (i) tro trau cd phan hda hoc rat khac so vdi than hoat tinh; (ii) su khac biet ve dien tich be mat rieng ciia tro trau va than hoat tinh; (iii) dung lupng hap phu ciia tro trau ldn hon than hoat tinh Chinh vi cd dung lupng hap phu ldn nen tro trau hoat hda bin hon than hoat tinh Tom lai, tien hanh hap phu dong lien tuc thi kha nang hap phu ciia VLHP giam ta tang toe dp dong Kha nang hap phu ciia tro trau hoat hda cao hon than hoat tinh d moi toe dp dong xac dinh GVHD: TS Nguyen Truhg ThanhTrang 39 Khoa luan Tot nghiepSVTH: Huynh Van Binh - DH10MT Chuwng 5: KET LIL^N VA KEEN NGHI 5.1.Kit luan Qua ket qua nghien ciiu ciia de tai tren chiing ta co the nit mot so ket luan nhu sau: -KM nang hap phu Metyl da cam ciia tro trau hoat hoa taong doi cao Dung lupng hap phu dat 8,671 mg/g, hieu suSt hap phu la 86,710% -Trong pham vi tic dong khao sat, kha nang hap phu ciia tro trau hoat hoa it chiu tac dong ta tang tic dp dong tu len 20 ml/phut Vdi lupng tro trlu 12 g, pH = - va d nhiet dp phong thi kha nang hip phu tot nhat cua tro trau hoat hdala d toe dp dong ml/phiit -Khi sii dung than hoat tinh de tiin hanh hip phu dong lien tuc cac dilu kien tuong tu nhu vai tro triu hoat hoa thi kha nang hap phu tot nhat ciia than hoat tinh cung a toe dp dong la 5ml/phiit -Doi voi hap phu dong lien tuc, kha nang hap phu ciia tro trau hoat hoa la ldn horn than hoat tinh ta xet cung cac dieu kien khao sat (pH, nhiet dp, nong dp nhilm, khii lupng chat hap phu) va tung tic dp dong xac dinh (5, 10, 15, 20 ml/phut) Tom lai, tro trau la nguyen lieu de tlm, gia thanlr re va co kha nang hap phu tot sau dupe hoat hoa Co the sir dung tro trau lam vat lieu hap phu de xu ly nude thai det nhupm Day la vat lieu hap phu co tlm nang rdt ldn tuong lai cho viecung dung vao xii ly mdi trudng 5.2.Kien nghi Do phai, thuc hien khoang thdi gian ngan va von kien thuc han che nen de tai chua dupe nghien cuu mot each toan dien ve cac yeu to anh hudng den qua trinh hap phu dong lien tuc Ben canh sir anh hudng ciia toe dp dong thi qua trinh hap phu dong lien tuc chiu anh hudng bdi cac yeu khac nhu: pH, nhiet dp, khoi lupng chat hap phu, co che, dong hoc ciia qua trinh hap phu Cac nghien cuu tiep theo se khao sat co che, dong hoc qua trinh hap phu; khao sat kha nang hap phu ciia vat lieu che tao doi vdi cac phan nhiem khac de md rpng kha nang ling dung; khao sat cac yeu to anh hudng din qua trinh hap phu (pH, nhiet dp, khii lupng chat hip phu) De tai nen dupe tiep tuc trien khai thuc te tai cac co sd san xuat de cd the khao sat va danh gia mot each cu the GVHD: TS Nguyen Tmng ThanhTrang 40 TAI LIEU THAM KHAO Le Nggc Hang 2009 Khoa luan t6t nghiep dai hoc Nghien cuu ung dung tro triu tir 16 d6t gach thu cong lam chit hip phu Metyl da cam Rice husk ash market study 2003 Hoang Van Hue 2001 Thoat nude - tap Xur ly nude thai NXB khoa hoc ky thuat Nguyln Thi Anh 2011 Bao cao an mon hoc Nguyen cuu lira chon cong nghe xu ly nude thai det nhuom cong suat 1000 m3/ng^y Nguyin Thuy Duong 2008 Luan van thac sy Nghien cuu kha nang hap phu mot so ion kim loai nang tren vat lieu hap phu che tao ttr vo lac va tham xu ly moi truong Le Van Cat 2002 Hip phu va trao d6i ion ky thuat xu ly nude va nude thai NXB Thong ke HaNpi L6 Van Huynh 2002 Luan-an tien sy Nghien cuu sir dung than hoat tinh de loai bo mot so chat huu co moi truong nude Dai hoc Qu6c gia Ha npi Nguygn Him Phu 1998 Hip phu va xiic tac tren b6 mat vat lieu vo co mao quan Ha Npi NXB Khoa hoc va ky thuat Ha Npi GS.TSKH Nguyin Bin 2005 Cac qua trinh, thilt bi cong nghe hoa chit va thuc phim NXB Khoa hoc Ky thuat Ha Npi ... •• Trong nganh sin xudt vat lieu xdy dung: Trong tro ham luong SiO2 kha cao (a dang vi hat); do, tro trau dupe dung lam chat phu gia xay dung nhu xi mang, gach chiu lira, cong nghe ban dan, ? ?Trong. .. Khoa luan T6t nghiep'SVTH: Huynh Van Binh - DH10MT MUC LUC Lai cam an Nhan xet cua giang vien htrong din Nhan xet cua giang vien phan bien Tomtit Muc luci Danh sach bam.iv Danh sachhinhv Danh... 3.6.1.Phuangphdp tham khdo, tonghqp tailieu27 3.6.2.Bo tri thi nghiem27 3.6.3.Phuang phdp phan tich mdu trongphdng thi nghiem28 3.6.4.Phuang phdp xu ly so lieu29 Chuomg 4: KET QUA THAO LUAN30 4.1.Cak